I reaped a bitter harvest from own refusal to take lithium on a consistent basis. A floridly psychotic mania was followed, inevitably, by a long and lacerating, black, suicidal depression; it lasted more than a year and a half. From the time I woke up in the morning until the time I went to bed at night, I was unbearably miserable and seemingly incapable of any kind of joy or enthusiasm.
- Pg. 111, An Unquiet Mind, ISBN – 978-0-679-76330-7, Kay Redfield Jamison